Description
General Introduction: Raytek's plano-concave cylindrical lens, consisting of one plane and one concave cylinder, has a negative focal length and is often used to focus parallel or divergent beams on a line or to change the aspect ratio of an image.
Lens Substrates:
UV FUSED SILICA
Coating Type:
Main Characters:
1).High performance 40-20 scratch-dig UV FUSED SILICA substrates
2).Rectangular optic with plano-Concave lens shape
3).Standardized focal lengths across different lens sizes
Main Optical Tech Specification:
Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC
Main Export Countries & Areas:
Lens Substrates:
UV FUSED SILICA
| Optional I: |
UV FUSED SILICA from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC |
| Optional II: |
Equivalent UV FUSED SILICA Made in China, C-laser own brands |
Coating Type:
| Coating Code: | Coating Type | Wavelength Range |
| AR.10 | UV Antireflection Coated | 245-440 nm |
| AR.14 | Visible Multilayer | 430-700 nm |
| AR.16 | NIR Multilayer | 650-1000 nm |
| AR.33 | Laser Line V-Coat Multilayer | 1064 nm |
| - | Uncoated | - |
Main Characters:
1).High performance 40-20 scratch-dig UV FUSED SILICA substrates
2).Rectangular optic with plano-Concave lens shape
3).Standardized focal lengths across different lens sizes
Main Optical Tech Specification:
| Tech Data | Description |
| Lens Shape | Plano-Concave Cylindrical (Double Concave) |
| Material | UV FUSED SILICA |
| Surface Quality | 40-20 scratch-dig |
| Surface Flatness | λ/2-λ/4 |
| Surface Accuracy, Irregularity | λ/2-λ/4 |
| Surface Accuracy, Power | 1.5 λ |
| Centration | - |
| Damage Threshold |
UV Coating: 2 J/cm2, 10 nsec pulses, 10 Hz at 355 nm Visible Coating: 7.5 J/cm2, 10 ns pulses, 10 Hz at 532 nm NIR Coating: 7.5 J/cm2, 10 ns pulses, 10 Hz at 1064 nm 1064nm Coating: 12 J/cm2, 10 ns pulses, 10 Hz at 1064 nm |
| Chamfers | 0.5 mm face width |
| Chamfers Angle Tolerance | 45°, typical |
| Focal Length Tolerance | ±2.0% |
| Clear Aperture | ≥central 80% of diameter |
| Effective Focal Length(EFL) | From -25.4mm to -300mm |
Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC
Main Export Countries & Areas:
Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.
Raytekoptics Extra value added services offered:
1). Optical workcraft & process solution design;
2). Rough processing raw materials;
3). Semi finishing raw materials;
4). Fabricate custom sizes and shapes;
5). Design and supply custom coatings;
6). Modify and resurface customer supplied materials;
7). Drill holes, notch glass and provide beveled substrates;
8). Precision polish optics with non-standard aspect ratios;
Payment Method: by T/T or Western Union.
Delivery time: 7-10 days.
Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.
